Collapsible concrete reinforcement.



J. 0. ELLINGER. COLLAPSIBLE CONCRETE REINFORCEMENT.

SAPPLICATION FILED MAY.22| I911.

PatentedJune 8, 1915.

WITNESSES Tn: NORRIS PETERS cu.. wAsnmawN, c.

JULIAN O. ELLINGER,

or NEW YORK, N. Y.

COLLAIPSIBLE CONCRETE REINFORCEMENT.

Specification of Letters Patent.

Patented June 8, 1915.

Application fi1ed May 22, 1911. Serial No. 628,619.

To all whom it may concern:

Be it known that I, JULIAN O. ELLINGER, a citizen of the United States, anda resident of the city, county, and State of New York, have invented certain new and useful Iniprovements in Collapsible Concrete Remforcements, of which the following is a speclfication.

This invention has relation to reinforcements for concrete columns, girders, beams, or the like: and has for one of its important purposes the provision of a reinforcement which is collapsible for convenlence 1n storage and transportation and may be easily opened out or extended for use.

Another of the important purposes of the invention is to provide a concrete reinforcement composed of a plurality of members arranged in a spaced relation along the length of a plurality of flexible connecting members and secured to the latter.

Still another of the important purposes of the invention is to provide a concrete reinforcement composed of a plurality of members arranged in a spaced relation along the length and secured to a plurality of flexible connecting members having irregular surfaces.

These purposes, and others which will hereinafter appear, are secured by the constructions illustrated in the accompanying drawings to exemplify what is regarded to be the best embodiments of the invention, but to the details of which the invention is not restricted, as changes may be made in the details without departing from the spirit of the invention or the scope of the subjoined claims.

The reinforcement of the present invention may be made of various sizes and shapes to accord with the size, shape and purpose of the article which it is to reinforce. That is to say, it may be round or polygonal, and the invention may be embodied as a reinforcement for concrete columns, or as a reinforcement for concrete beams or girders, or various other structures, it being the intention to not restrict its use to any par ticular form, size, or purpose of concrete structure, but to embody the invention in a reinforcement for concrete or analogous material, regardless of the size, shape or purpose of the completed structure, provided only a reinforcement of the character hereinafter set forth and claimed is adapted thereto.

In the accompanying drawings,'diflerent forms'and constructions of the reinforcement are illustrated to exemplify suitable embodiments of the invention, and these will readily suggest other forms, all of which are in tended to be within the spirit of the invention and the scope of the subjoined claims.

In said drawings: Figure 1 is a vertical transverse section showing a very desirable construction of reinforcement, partly opened out for use, the plane of the section being on the line 22of Fig. 2. Fig. 2 is a plan view of the construction shown in Fig. 1. Fig. 3 is a plan'view of a structure substantially like that shown in Fig. 1, showing a slightly different arrangement of the longitudinal and transverse members. Fig. t is a view similar to Fig. l with a further slightly changed relative arrangement of the longitudinal and transverse members.

The present invention includes a plurality of membersof open construction, which may be circular, or square in cross section as shown at A or of other suitable form. The reinforcement also includes other members, designated B, which connect the members A with each other and are arranged in a spaced relation around the same. These members B and B are essentially flexible between the members A or A the latter being arranged in a spaced relation along the length thereof. Each is illustrated as being formed of a plurality of relatively movable connected elements so disposed that the members B have the desired degree of flexibility to permit the reinforcement to be stored and transported in collapsed condition, and to be readily opened out to its full length for use.

In the form shown in Figs. 1 and 2, the members B are each shown as being composed of a chain, the links 6 of which, being pivotally connected with each other, form the relatively-movable connected elements hereinbefore referred to. This is a very desirable form of such members, for the reason that it is inexpensive and strong and also because the openings in the links provide spaces for the concrete, whereby the chains are not only embedded with their outside surfaces in engagement with the concrete, but their interiors also are in contact with the concrete. Moreover, the irregular surface presented by the chains further aids in securing a most efiective interengagement between the concrete and the member B.

In the form shown in the remainingfig-fe gether, the connecting members being each ures each member B is composed-of a series of plates, straps or bars. Each of these members is collapsed and-opened outs-ome- What in the nature of a bellows. They may be fully expanded", or partly expanded; as

desired. In the latter event they form irregular surfaces Which increases the hold of the reinforcement on the concrete. I

The members B are suitably attached to the members A preferably by electric elds, as indicated at the places marked 0 They maybe arranged upon the inside of the members A or A, as exemplified in Fig. 4t,'or upon the outside thereof, as exemplified in the remaining figures, and when members, as A of square or other polygonal form are employed, the connecting members may be disposed at the corners, as exemplified in Fig. 3,.or upon the sides of the members as exemplified in Fig. 2, orsome at the COFI16lS 21Il(l others at the side, as desired.

It Will be apparent that other suitable forms of flexible connections than those herein-exemplified may be employed, With some of the advantages of the latter.

Having thus described the invention What I believe to be new and desire to secure by Letters Patent, is

1'. A collapsible or extensible concrete reinforcement, comprising a series ofmembers and other members connecting the same tocomposed of pivotally connected plates and the first-mentioned members being arranged along thelen gth of the connecting members and attached thereto.

2. A-coll'apsible or extensible concrete reinforcement, comprising a series of open members and other members connecting the same together, the connecting members beingeach composed of pivotally connected plates and the first-mentioned members beingarranged along the length of the connectingmembers and attached thereto.

3. A collapsible or extendible concrete reinforcement, comprising a series of open members formed of rods or bars and other members attached at intervals to and con necting thefirst members together, each of said second members being composed of a plate or strap bent in zigzag fashion and adaptedto be collapsed or expanded at the bends thereof, to regulatethe respective horizontal" positions of the first mentioned members. I V

In Witness whereof I- have hereunto set my hand at the city, county andSt'ate' of New York, this 12th day ofMay, 1"911'.

JULIAN O. ELLI NGER.

In presenceof- ISABEL R". RICHARDS, JoHN J. RANAGAN.

' Gopis ofthis patient ma be obtained for five cents each, by addressing the Commissioner of Pat ent;

Washington, 1).01 

